Everyone else may already know about this, but a friend just put me onto "The Peter Beemer Manuscript" - published by Voyager. It's a transcription of an 1860s-70s mid 19th century Idaho musician's tune book containing over 100 tunes that were played by a dance band that fielded two fiddles, flute accordion & banjo. Here's the link;
http://www.voyagerrecords.com/Beemer.htm Looks like fun. I just ordered one!